CN206094934U - Adiabatic deposit room of steelmaking electric furnace - Google Patents
Adiabatic deposit room of steelmaking electric furnace Download PDFInfo
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- CN206094934U CN206094934U CN201621112003.5U CN201621112003U CN206094934U CN 206094934 U CN206094934 U CN 206094934U CN 201621112003 U CN201621112003 U CN 201621112003U CN 206094934 U CN206094934 U CN 206094934U
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- brick
- steel
- mullite
- expansion chamber
- alumina insulating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model provides an adiabatic deposit room of steelmaking electric furnace relates to iron and steel metallurgical technology field. The utility model discloses an adiabatic deposit room include flue gas inlet, exhanst gas outlet, soot door and side wall etc. All around, its characterized in that: deposit room brickwork all around is the four -layer structure, furnace roof inlayer pouring mullite steel fibre refractory castable, the outer pouring light high alumina insulating brick of furnace roof, the bottom is adopted and is built the structure immediately, two -layer resistant firebrick, the heavy matter high alumina insulating brick of one deck. The utility model discloses can play the effect of dust removal, heat accumulation to the electric stove flue gas, can suitably reduce the fluctuation of electric stove flue -gas temperature, be favorable to improving the recovery efficiency of electric stove flue gas waste heat.
Description
Technical field
This utility model is related to technical field of ferrous metallurgy, more particularly to a kind of steel-smelting electric furnace thermal insulation expansion chamber.
Background technology
Substantial amounts of high-temperature flue gas can be produced in EAF Steelmaking Process, its heat energy can not obtain sufficiently effective utilization.Mesh
High-temperature flue gas are down to less than 200 DEG C from 1000 DEG C, are removed into follow-up pocket type by front usual employing recirculated water Quench or air cooling pattern
Dirt device, qualified discharge after removing dust, residual heat resources waste serious.The characteristics of electric furnace flue gas residual heat resources is：Flue-gas temperature is high, most
More than 1000 DEG C of Gao Shida；Exhaust gas volumn, flue-gas temperature alternating amplitudes are big, present strong cyclically-varying；Dust content is high.
Due to the dust content of electric furnace flue gas it is big, and the characteristics of there is big light, thin, dispersibility and poor fluidity, pole
On various heating surfaces, it is difficult to clear up, heat transfer effect is affected.At present frequently with dedusting method be gravitational settling
Room, by increasing circulation area, the mode for reducing flow velocity removes the big dust particle of flue gas.But traditional expansion chamber dedusting effect
Really poor, particularly strong to caking property dust effect is poor, simultaneously because electric furnace flue gas temperature alternating amplitude is big, causes expansion chamber
Affected by alternating thermal stress, its service life there is also problem.
The content of the invention
For the deficiency that existing steel-smelting electric furnace flue gas gravity settling chamber is present, this utility model aims to provide a kind of steel-making electricity
Stove thermal insulation expansion chamber, its good dedusting effect, and be conducive to the waste heat recovery of electric furnace flue gas.
For achieving the above object, the technical solution adopted in the utility model is as follows：
A kind of steel-smelting electric furnace thermal insulation expansion chamber, including gas approach, anchored brick, zigzag hook, brick-supporting rack, reinforced concrete
Soil, calcium silicate board, light weight alumina insulating brick, mullite steel fiber castable refractory, heavy insulating brick, one-level refractory brick, crossbeam,
Gusset, vertical beam, splayed hook, exhanst gas outlet and pre-embedded steel slab, the surrounding furnace wall of the adiabatic expansion chamber are four-layer structure,
From inside to outside set gradually as mullite steel fiber castable refractory, light weight alumina insulating brick, calcium silicate board and reinforced concrete
Soil；The anchored brick arranged in the mullite steel fiber castable refractory, light weight alumina insulating brick and calcium silicate board adopts Z-shaped
Shape hook is anchored, and the end of anchored brick is hooked in one end of zigzag hook, and the other end is welded on pre-buried in armored concrete
On steel plate；The mullite steel fiber castable refractory, light weight alumina insulating brick and calcium silicate board are placed on brick-supporting rack, hold in the palm brick
Frame is welded on the pre-embedded steel slab in armored concrete；The furnace roof of the adiabatic expansion chamber adopts flat ceiling structure, in furnace roof
Steel skeleton construction is：Crossbeam and gusset welding, gusset and vertical beam welding, vertical beam and splayed welding hook, under splayed hook
Hang anchored brick；The internal layer cast mullite steel fiber castable refractory of furnace roof, outer layer cast light weight alumina insulating brick；The thermal insulation
The bottom of expansion chamber adopts laid on end structure, builds one layer of heavy insulating brick, two-layer one-level fire resisting on armored concrete successively by laying bricks or stones
Brick.
Further, the wing furnace wall bottom of exhanst gas outlet arranges shoot door, and the structure on shoot door door top is from top to bottom successively
It is set to that light thermal-insulation is moldable and mullite steel fiber castable refractory, the light thermal-insulation is moldable and mullite steel
Fibre fire-proof castable is fixed using Y type metal anchorages, and Y type metal anchorages one end is welded in armored concrete
On pre-embedded steel slab.
This utility model has the following advantages：(1) there is accumulation of heat to act on electric furnace flue gas, with traditional expansion chamber phase
Than the expansion chamber employs calcium silicate board, insulating brick and castable refractory and built by laying bricks or stones, and the heat for increasing whole expansion chamber is used to
Property；(2) surrounding side wall employs four-layer structure, and adopts brick plate and anchored brick, increased the stability of sidewall structure, improves
The service life of expansion chamber.
Description of the drawings
Fig. 1 is a kind of steel-smelting electric furnace thermal insulation expansion chamber main structure diagram of this utility model；
Fig. 2 is a kind of steel-smelting electric furnace thermal insulation expansion chamber side structure schematic view of this utility model；
Fig. 3 is a kind of steel-smelting electric furnace thermal insulation expansion chamber furnace wall corner structure schematic diagram of this utility model；
Fig. 4 is a kind of steel-smelting electric furnace thermal insulation expansion chamber brick-supporting rack mounting structure schematic diagram of this utility model；
Fig. 5 is a kind of steel-smelting electric furnace thermal insulation expansion chamber furnace wall anchored brick mounting structure schematic diagram of this utility model；
Fig. 6 is a kind of steel-smelting electric furnace thermal insulation expansion chamber furnace roof mounting structure schematic diagram of this utility model；
Fig. 7 is a kind of steel-smelting electric furnace thermal insulation expansion chamber shoot door top mounting structure schematic diagram of this utility model；
In figure in addition to the word indicated, 1- gas approach, 2- anchored bricks, 3-Z fonts hook, 4- brick-supporting racks, 5- steel
Reinforced concrete, 6- calcium silicate boards, 7- light weight alumina insulating bricks, 8- mullite steel fiber castable refractories, 9- heavy insulating bricks,
10- one-level refractory brick, 11- crossbeams, 12- gussets, 13- vertical beams, 14- splayeds hook, 15- exhanst gas outlets, 16- light thermal-insulations can
Plastics, 17- shoot doors, 18-Y type metal anchorages, 19- pre-embedded steel slabs.
Specific embodiment
With reference to the accompanying drawings and examples this patent is described in further details.
As shown in figure 1, a kind of steel-smelting electric furnace thermal insulation expansion chamber, including gas approach 1, anchored brick 2, zigzag hook 3, support
Brick frame 4, armored concrete 5, calcium silicate board 6, light weight alumina insulating brick 7, mullite steel fiber castable refractory 8, heavy insulation
Brick 9, one-level refractory brick 10, crossbeam 11, gusset 12, vertical beam 13, splayed hook 14, exhanst gas outlet 15, light thermal-insulation is moldable
16, shoot door 17, Y types metal anchorage 18, pre-embedded steel slab 19.
As shown in figures 1 and 3, adiabatic expansion chamber surrounding furnace wall is four-layer structure, is from inside to outside set gradually as mullite
Steel fiber refractories 8, light weight alumina insulating brick 7, calcium silicate board 6 and armored concrete 5；Mullite steel fiber fire resisting is poured
In material feeding 8, light weight alumina insulating brick 7 and calcium silicate board 6, anchored brick 2 is anchored using zigzag hook 3, zigzag hook 3
One end hook the end of anchored brick 2, the other end is welded on (as shown in Figure 5) on the pre-embedded steel slab 19 of armored concrete 5.Mo Lai
Stone steel fiber refractories 8, light weight alumina insulating brick 7 and calcium silicate board 6 are placed on brick-supporting rack 4, and brick-supporting rack 4 is welded on steel
On the pre-embedded steel slab 19 of reinforced concrete 5 (as shown in Figure 4).
As shown in fig. 6, adiabatic expansion chamber furnace roof adopts flat ceiling structure, the steel skeleton of furnace roof type to be followed successively by：Crossbeam 11 with
Gusset 12 is welded, and gusset 12 is welded with vertical beam 13, and vertical beam 13 is welded with splayed hook 14, and splayed links up with 14 times extension anchored bricks
2.Furnace roof is anchored using anchored brick 2, internal layer cast mullite steel fiber castable refractory 8, outer layer cast light weight alumina insulating brick
7。
As shown in figure 1, adiabatic expansion chamber bottom adopts laid on end structure, one layer of heavy on armored concrete 5, is built successively by laying bricks or stones
Insulating brick 9, two-layer one-level refractory brick 10.
Further, as shown in figs. 2 and 7, the wing furnace wall bottom of exhanst gas outlet 15 arranges shoot door 17,17 tops of shoot door
Structure set gradually as light thermal-insulation moldable 16 and mullite steel fiber castable refractory 8, light thermal-insulation from top to bottom
Moldable 16 and mullite steel fiber castable refractory 8 be fixed using Y types metal anchorage 18, Y type metal anchorages
18 one end are welded on the pre-embedded steel slab 19 in armored concrete 5.
An embodiment of the present utility model is the foregoing is only, the limit to this utility model protection domain is not constituted
It is fixed.Any any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in
Within claims of the present utility model.
Claims (2)
1. a kind of steel-smelting electric furnace thermal insulation expansion chamber, including gas approach (1), anchored brick (2), zigzag hook (3), brick-supporting rack
(4), armored concrete (5), calcium silicate board (6), light weight alumina insulating brick (7), mullite steel fiber castable refractory (8), weight
Vacuum brick (9), one-level refractory brick (10), crossbeam (11), gusset (12), vertical beam (13), splayed hook (14), exhanst gas outlet
And pre-embedded steel slab (19) (15), it is characterised in that：
The surrounding furnace wall of the adiabatic expansion chamber is four-layer structure, from inside to outside sets gradually and pours for mullite steel fiber fire resisting
Material feeding (8), light weight alumina insulating brick (7), calcium silicate board (6) and armored concrete (5)；The mullite steel fiber fire resisting is poured
The anchored brick (2) arranged in material feeding (8), light weight alumina insulating brick (7) and calcium silicate board (6) is carried out using zigzag hook (3)
The end of anchored brick (2) is hooked in anchoring, one end of zigzag hook (3), and the other end is welded on pre-buried in armored concrete (5)
On steel plate (19)；The mullite steel fiber castable refractory (8), light weight alumina insulating brick (7) and calcium silicate board (6) are placed in
On brick-supporting rack (4), brick-supporting rack (4) is welded on the pre-embedded steel slab (19) in armored concrete (5)；
The furnace roof of the adiabatic expansion chamber adopts flat ceiling structure, and the steel skeleton construction in furnace roof is：Crossbeam (11) and gusset
(12) weld, gusset (12) is welded with vertical beam (13), vertical beam (13) links up with (14) welding with splayed, under splayed hook (14)
Hang anchored brick (2)；Internal layer cast mullite steel fiber castable refractory (8) of furnace roof, outer layer cast light weight alumina insulating brick
(7)；
The bottom of the adiabatic expansion chamber adopts laid on end structure, builds one layer of heavy insulation on armored concrete (5) successively by laying bricks or stones
Brick (9), two-layer one-level refractory brick (10).
2. a kind of steel-smelting electric furnace thermal insulation expansion chamber according to claim 1, it is characterised in that：The wing furnace of exhanst gas outlet (15)
Wall bottom arranges shoot door (17), and the structure on shoot door (17) door top is set gradually from top to bottom as light thermal-insulation moldable (16)
And mullite steel fiber castable refractory (8), the light thermal-insulation moldable (16) and mullite steel fiber refractory casting
Material (8) is fixed using Y type metal anchorages (18), and Y type metal anchorage (18) one end is welded in armored concrete (5)
Pre-embedded steel slab (19) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112003.5U CN206094934U (en) | 2016-10-10 | 2016-10-10 | Adiabatic deposit room of steelmaking electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621112003.5U CN206094934U (en) | 2016-10-10 | 2016-10-10 | Adiabatic deposit room of steelmaking electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206094934U true CN206094934U (en) | 2017-04-12 |
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ID=60413912
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621112003.5U Active CN206094934U (en) | 2016-10-10 | 2016-10-10 | Adiabatic deposit room of steelmaking electric furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351361A (en) * | 2020-03-09 | 2020-06-30 | 北京嘉永会通能源科技有限公司 | Circular suspended masonry structure for industrial furnace with internal and external channels |
-
2016
- 2016-10-10 CN CN201621112003.5U patent/CN206094934U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351361A (en) * | 2020-03-09 | 2020-06-30 | 北京嘉永会通能源科技有限公司 | Circular suspended masonry structure for industrial furnace with internal and external channels |
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